subcutaneous administration of vitamin b12 injections homocysteinemia Efficacy different routes of supplementation for the treatment of patients with vitamin B12 deficiency: A systematic review and network meta-analysis Homocysteine, Vitamin B12 and Folate

Baiocchi RA, Ward JS, Carrodeguas L, Eisenbeis CF, Peng R, Roychowdhury S,

Dosage and Strength : You may encounter different strengths, such as 1,000 mcg or higher, which can determine how frequently you might need the injections

It works best when used with diabetes management

Steroid shots

Any soreness typically resolves within 24 hours

The most concerning findings come from two trials using folic acid combined with 400500 g/day of B12: Ebbing (2009) found a statistically significant increase in overall cancer incidence (RR 1.21, CI 1.031.41) B-PROOF found an increased risk of colon cancer (HR 2.17, CI 1.263.75) in the per-protocol analysis (Oliai Araghi, 2019)